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The immune straits of tumor infiltrating lymphocytes in antitumor
Author(s): 
Pages: 183-186
Year: Issue:  3
Journal: FOREIGN MEDICAL SCIENCES(ONCOLOGY SECTION)

Keyword:  淋巴细胞肿瘤浸润过继免疫疗法;
Abstract: 体外肿瘤浸润淋巴细胞(TIL)具有一定的抗瘤活性,过继免疫治疗却未表现出理想效果,研究显示恶性肿瘤患者免疫系统处于系统性缺陷或耐受状态.在诱发阶段树突状细胞(DC)诱导TIL发生免疫偏倚,有的则因DC严重不足或状态不佳使TIL几无功能.肿瘤细胞的生理变化及肿瘤局部微环境也使TIL的杀伤活性受到严重抑制,甚至被反杀伤.体内TIL自身变化同样造成抗瘤免疫力低下.因此TIL的抗瘤免疫受到多方面困扰.
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